Manhole odor eliminator
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 5, 2015
Grant Date -
Sep 13, 2012
app pub date -
Mar 8, 2012
filing date -
Mar 8, 2011
priority date (Note) -
In Force
status (Latency Note)
Importance
|
US Family Size
|
Non-US Coverage
|
|
Patent Longevity
|
Forward Citations
|
Abstract
A sewer gas odor absorption apparatus for a manhole having a perforate manhole cover disposed in the manhole which includes an imperforate housing having a seal dimensioned and configured for sealing engagement with the manhole, the housing has a first extremity and a second extremity and a passageway in fluid communication with ambient air above the manhole cover at the first extremity and in fluid communication with sewer gases at the second extremity thereof. A sub-assembly including a porous absorption media and a variable volume device disposed in mutual fluid communication in a subassembly having first and second axial extremities, the first and second extremities of the subassembly being disposed in fluid communication respectively with the first and second extremities of the imperforate housing.
First Claim
Other Claims data not available
Family
- No Family data available.
International Classification(s)
- 2012 Application Filing Year
- E03C Class
- 138 Applications Filed
- 113 Patents Issued To-Date
- 81.89 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 2 Citation Count
- E03C Class
- 14.91 % this patent is cited more than
- 10 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Nov 5, 2026 |
